Ilina, I. V.
Khramova, Yu. V.
Filatov, M. A.
Ivanova, A. D.
Sitnikov, D. S.
Article History
Received: 18 June 2020
Revised: 10 July 2020
Accepted: 27 July 2020
First Online: 7 December 2020
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interest.</i> The authors declare that they have no conflict of interest.
: <i>Statement on the welfare of animals.</i> The keeping of animals and manipulations associated with obtaining embryos were done according to the relevant standards and requirements of the Bioethics Committee of the Moscow State University’s Faculty of Biology.